.eslintrc.json

{
    "parser": "babel-eslint",
    "parserOptions": {
        "ecmaVersion": 6,
        "sourceType": "module",
        "ecmaFeatures": {
            "jsx": true
        }
    },
    "env": {
        "es6": true,
        "jest": true,
        "browser": true,
        "node": true
    },
    "plugins": [
        "react",
        "jsx-a11y",
        "flowtype"
    ],
    "rules": {
        // This to avoid an error from flow types with prefix `_t_`
        "camelcase": 0,
        // This to avoid an error that all files with jsx must be with extension `jsx`
        "react/jsx-filename-extension": 0,
        // Avoid error when defined flow types for props at the top of the class
        "react/sort-comp": 0,
        // Disable error: absolute imports should come before relative imports.
        "import/first": 0,
        // Disable error: do not import modules using an absolute path
        "import/no-absolute-path": 0,
        // Allow imports without extensions
        "import/extensions": 0,
        // Change error to warning for: prefer default export (when export one item
        // from file - prefer to use `default export` instead of `export`)
        "import/prefer-default-export": 0,
        // disallow trailing commas in object literals
        "comma-dangle": 0,
        // Disable rule: strings must use singlequote.
        "quotes": 0,
        "no-console": [
            "warn",
            {
                "allow": [
                    "warn",
                    "error",
                    "info"
                ]
            }
        ],
        // Allow to start name of variables and functions from underscore
        "no-underscore-dangle": 0,
        // Maximum line length
        "max-len": [
            "warn",
            120
        ],
        // Disable rule: expected the Promise rejection reason to be an Error.
        // It not allow explicitly return promise reject without error provided
        "max-lines": [
          "warn",
          300
        ],
        "prefer-promise-reject-errors": 0,
        // TODO: find solution for resolve paths for import
        // For now disable error: unable to resolve path to module
        // It be handled by flow
        "import/no-unresolved": 0,
        // Allows first line in block to be empty
        "padded-blocks": 0,
        // Allow use unary operators
        "no-plusplus": 0,
        // Allow to use hasOwnProperty
        "no-prototype-builtin": 0,
        // Allow to not define default props for not required props
        "react/require-default-props": 0
    },
    "extends": [
        "airbnb",
        "plugin:flowtype/recommended"
    ]
}